// ECB/SIS Public License, version 1.0, document reference SIS/2001/116
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package eu.ecb.core.util.formatter.observation
{
	import org.sdmx.model.v2.reporting.dataset.KeyValue;
	
	
	/**
	 * Formats an observation value as a currency value.
	 * 
	 * This formatter should be used for formatting observations belonging to 
	 * the ECB_EXR1 key family. An observation with value 1.53, of the series
	 * showing the USD against the EUR, will be formatted as follows: 
	 * USD 1.53 = EUR 1
	 *   
	 * @author Xavier Sosnovsky
	 */
	public class EXRObservationFormatter extends ObservationAdapterFormatter
	{
		/*===========================Constructor==============================*/
		
		public function EXRObservationFormatter()
		{
			super();
		}
		
		/*==========================Public methods============================*/
		
		/**
		 * @inheritDoc
		 */ 
		public override function format(value:Object):String 
		{	
	        return (series.keyValues.getItemAt(2) as KeyValue).value.id + " " +
	        	_unitMult + " = " + (series.keyValues.getItemAt(1) 
	        	as KeyValue).value.id + " " + value;
		}
	}
}